67-673 50mm Dia. x 50mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 50 mm
- BFL
- 45.3 mm
- R1
- 74.78 mm
- R2
- -74.78 mm
Material
- Name
- N-SF11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7847141030246312
- λ
- 587.6 nm
- B1
- 1.73759695
- C1
- 0.013188707 μm2
- B2
- 0.313747346
- C2
- 0.0623068142 μm2
- B3
- 1.89878101
- C3
- 155.23629 μm2
67-673 50mm Dia. x 50mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
The 67-673 is a high-quality double-convex lens, designed and manufactured by Edmund Optics, a leading global provider of optical components. This lens boasts a 50mm diameter and a 50mm focal length, making it suitable for a wide range of applications.
The lens is constructed from n-SF11 Schott, a high-index glass with excellent transmittance in the near-infrared (NIR) region. This material is particularly advantageous for applications in the 750-1550nm spectral range, where it offers superior performance.
The 67-673 lens features a double-convex geometry, with radii of curvature of 74.78mm for both the front and back surfaces. This design results in a relatively long back focal length of 45.3mm, providing ample space for the placement of other optical components. The lens has a thickness of 7.39mm at the edge and 16mm at the center, contributing to its robustness and durability.
The lens is coated with Edmund Optics' standard NIR-II coating on both the front and back surfaces. This coating is specifically designed to enhance the lens' performance in the NIR region, ensuring high transmittance and minimal reflection. The coating status is currently "in stock", indicating its availability for immediate purchase and delivery.
